On 11/12/22 13:59, Ian Cowan wrote: > On Sat, Nov 12, 2022 at 09:21:34AM -0800, Randy Dunlap wrote: >> Hi-- >> >> On 11/12/22 08:37, Ian Cowan wrote: >>> When compiling drivers (speficially drivers/pci/hotplug), I am receiving >>> the following modpost error for both `kmalloc_trace` and >>> `kmalloc_node_trace` on the staging/staging-next branch: >>> Ian, what do you mean by "on the staging/staging-next branch"? What kernel version are you trying to build? The .config that you sent is for v6.1.0-rc1. >>> ERROR: modpost: "kmalloc_trace" [drivers/pci/hotplug/acpiphp_ibm.ko] undefined! >>> >>> This only occurs when I have 'CONFIG_TRACING=y' in my config, and I >>> have traced it down to the slab header where the kmalloc_trace is >>> defined. It appears that when CONFIG_TRACING is set, the kmalloc_trace >>> and kmalloc_node_trace do not get defined by the compiler. I do not have >>> enough context in this area of the code base to propose a fix or to even >>> know if maybe it's a local compiling issue for myself. It looks like >>> there are a few recent commits from August that did some refactoring in this header, >>> and when compiling prior to that refactoring I am able to compile the >>> specified drivers without error. >>> >>> I will mention that I am using Red Hat gcc version 12.2.1 and make version >>> 4.3 and am on Fedora. >> Please post a full failing kernel .config file for this. >> Thanks. >> >> -- >> ~Randy >> > Below is my .config file. This is pretty much a default Fedora .config > (copied from my system) with possibly a few additions to make sure the > modules I needed to compile did compile. I was compiling using the > command: `make M=drivers/pci/hotplug`. Sorry, I cannot reproduce the problem. Hopefully someone else has some ideas. -- ~Randy